Build 4274
SVN-
Fix "the issue where if you hold down a key and enter the console then release it that the key remains held down until you hit it again outside the console".
SVN handles and Git names are merged into one person.
Fix "the issue where if you hold down a key and enter the console then release it that the key remains held down until you hit it again outside the console".
Add SDL scancode -> ASCII value translation for the "key FIFO" for ESCAPE.
This fixes ESC in certain situations such as the editor map selection menu.
factor out 2x repeated code into keyascfifo_{isfull,insert}.